Examples of org.w3c.dom.Node

org.w3c.dom.Node
The Node interface is the primary datatype for the entire Document Object Model. It represents a single node in the document tree. While all objects implementing the Node interface expose methods for dealing with children, not all objects implementing the Node interface may have children. For example, Text nodes may not have children, and adding children to such nodes results in a DOMException being raised.
The attributes nodeName , nodeValue and attributes are included as a mechanism to get at node information without casting down to the specific derived interface. In cases where there is no obvious mapping of these attributes for a specific nodeType (e.g., nodeValue for an Element or attributes for a Comment ), this returns null . Note that the specialized interfaces may contain additional and more convenient mechanisms to get and set the relevant information.

            return;
        }


        NodeList nodeList = rootElement.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node n = nodeList.item(i);
            if (n.getNodeType() != Node.ELEMENT_NODE) {
                continue;
            }
            Element element = (Element) n;
            properties.put(element.getNodeName(), element.getTextContent());
        }

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                    Element elm = (Element) server.getAttribute(connectionFactoryOName, "ManagedConnectionFactoryProperties");


                    if (elm != null) {
                        NodeList nl = elm.getChildNodes();
                        for (int i = 0; i < nl.getLength(); i++) {
                            Node n = nl.item(i);
                            Node na = n.getAttributes().getNamedItem("name");
                            if (na != null) {
                                if ("ConnectionURL".equals(na.getNodeValue())) {
                                    dsInfo.setJdbcURL(n.getFirstChild().getNodeValue());
                                }


                                if ("UserName".equals(na.getNodeValue())) {
                                    dsInfo.setUsername(n.getFirstChild().getNodeValue());
                                }


                                //
                                // JMS datasource
                                //
                                if ("JmsProviderAdapterJNDI".equals(na.getNodeValue())) {
                                    dsInfo.setJdbcURL(n.getFirstChild().getNodeValue());
                                    resource.setType("jms");
                                }
                            }
                        }

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    } else if (sourceClass == DOMSource.class) {
      try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setNamespaceAware(true);
        DocumentBuilder docBuilder = dbf.newDocumentBuilder();
              Node doc = docBuilder.parse(new InputSource(getBinaryStream()));
              return (T) new DOMSource(doc);
      } catch (ParserConfigurationException e) {
        throw new SQLException(e);
      } catch (SAXException e) {
        throw new SQLException(e);

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   */
  private final void fillChildElementInfo(NodeList list, int depth,Map<String,Object> detail){
    if(depth < 0)
      return;
    for (int i =0; i < list.getLength(); i++) {
      Node type = list.item(i);
      if(type instanceof Element){
        String name = type.getLocalName();
        if(detail.containsKey(name)){
          name = name +i;
        }
        detail.put(name, type.getTextContent());
        Map<String,String> attributes = new HashMap<String, String>();
        for(int att = type.getAttributes().getLength() -1;att >-1;att--){
          Node node = type.getAttributes().item(att);
          attributes.put(node.getNodeName(), node.getNodeValue());
        }
        detail.put(name +"_attributes", attributes);
        Map<String,Object> subInfo = new HashMap<String, Object>();
        detail.put(name + "_detail", subInfo);
        fillChildElementInfo(type.getChildNodes(), depth - 1,subInfo);

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        if (xfa.isXfaPresent()) {
            name = xfa.findFieldName(name, this);
            if (name == null)
                return false;
            String shortName = XfaForm.Xml2Som.getShortName(name);
            Node xn = xfa.findDatasetsNode(shortName);
            if (xn == null) {
                xn = xfa.getDatasetsSom().insertNode(xfa.getDatasetsNode(), shortName);
            }
            xfa.setNodeText(xn, value);
        }

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    public Collection<Element> getChildren(Element elem, String name) {
      NodeList children = elem.getChildNodes();
      LinkedList<Element> results = new LinkedList<Element>();
      for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        if (node instanceof Element && node.getNodeName().equals(name)) {
          results.add((Element)node);
        }
      }
      return results;
    }

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    }
    
    public Element getChild(Element elem, String name) {
      NodeList children = elem.getChildNodes();
      for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        if (node instanceof Element && node.getNodeName().equals(name)) {
          return (Element)node;
        }
      }
      return null;
    }

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        // 只能有一个子元素: ref, value, list, etc.
        NodeList nl = property.getChildNodes();
        Element subElement = null;
        for (int i = 0; i < nl.getLength(); ++i) {
          Node node = nl.item(i);
          if (node instanceof Element) {
            if (subElement != null) {
              error(name
                  + " must not contain more than one sub-element");
            } else {

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        }


        Element element = ib.getElement();


        while (element != null && !style.isHoverStyled(element)) {
            Node node = element.getParentNode();
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                element = (Element) node;
            } else {
                element = null;
            }
        }

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   * @param  localName    the tag name
   * @param  value      the new content for the tag
   */
  public void replace(String namespaceURI, String localName, String value) {
    NodeList nodes = domDocument.getElementsByTagNameNS(namespaceURI, localName);
    Node node;
    for (int i = 0; i < nodes.getLength(); i++) {
      node = nodes.item(i);
      setNodeText(domDocument, node, value);
    }
  }

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